“Brain Rules” by John Medina is a captivating exploration into the intricacies of the human brain and the science behind optimal cognitive functioning. Published in 2008, Medina, a molecular biologist and affiliate professor of bioengineering, breaks down complex neuroscience concepts into easily digestible principles. The book introduces twelve brain rules, each backed by scientific research, offering insights into how the brain learns, remembers, and functions in various contexts. From the impact of exercise on cognitive performance to the importance of sleep and the role of stress in learning, “Brain Rules” provides a comprehensive and practical guide to understanding and maximizing brain function.